<?php
/**
 * Created by PhpStorm.
 * User: liuda
 * Date: 2019/3/15
 * Time: 14:02
 */

namespace app\common\utils;


class CommonUtils
{
    public static function hideMobile4($mobile)
    {
        $mobile=substr_replace($mobile,'****',3,4);
        return $mobile;
    }
}